package cn.kdyzm.http;

import cn.hutool.core.exceptions.ExceptionUtil;
import cn.kdyzm.json.util.JsonUtils;
import com.fasterxml.jackson.core.type.TypeReference;
import com.fasterxml.jackson.databind.JsonNode;
import okhttp3.*;
import okhttp3.internal.Util;

import javax.annotation.Nullable;
import java.io.Closeable;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.nio.file.Files;
import java.nio.file.Path;
import java.util.List;
import java.util.Map;

/**
 * ok http 封装，相应结构体
 *
 * @author kdyzm
 */
public class HttpResponse implements ResponseSpec, Closeable {
    private final Request request;
    private final Response response;
    private final ResponseBody body;

    HttpResponse(final Response response) {
        this.request = response.request();
        this.response = response;
        this.body = ifNullBodyToEmpty(response.body());
    }

    @Override
    public int code() {
        return response.code();
    }

    @Override
    public String message() {
        return response.message();
    }

    @Override
    public boolean isOk() {
        return response.isSuccessful();
    }

    @Override
    public boolean isRedirect() {
        return response.isRedirect();
    }

    @Override
    public Headers headers() {
        return response.headers();
    }

    @Override
    public List<Cookie> cookies() {
        return Cookie.parseAll(request.url(), this.headers());
    }

    @Override
    public Request rawRequest() {
        return this.request;
    }

    @Override
    public Response rawResponse() {
        return this.response;
    }

    @Override
    public ResponseBody rawBody() {
        return this.body;
    }

    @Override
    public String asString() {
        try {
            return body.string();
        } catch (IOException e) {
            throw ExceptionUtil.wrapRuntime(e);
        }
    }

    @Override
    public byte[] asBytes() {
        try {
            return body.bytes();
        } catch (IOException e) {
            throw ExceptionUtil.wrapRuntime(e);
        }
    }

    @Override
    public InputStream asStream() {
        return body.byteStream();
    }

    @Override
    public JsonNode asJsonNode() {
        return JsonUtils.read(asBytes());
    }

    @Override
    public <T> T asValue(Class<T> valueType) {
        return JsonUtils.read(asBytes(), valueType);
    }

    @Override
    public <T> T asValue(TypeReference<T> typeReference) {
        return JsonUtils.read(asBytes(), typeReference);
    }

    @Override
    public <T> List<T> asList(Class<T> valueType) {
        return JsonUtils.readList(asBytes(), valueType);
    }

    @Override
    public <K, V> Map<K, V> asMap(Class<?> keyClass, Class<?> valueType) {
        return JsonUtils.readMap(asBytes(), keyClass, valueType);
    }

    @Override
    public <V> Map<String, V> asMap(Class<?> valueType) {
        return this.asMap(String.class, valueType);
    }

    @Override
    public File toFile(File file) {
        toFile(file.toPath());
        return file;
    }

    @Override
    public Path toFile(Path path) {
        try {
            Files.copy(this.asStream(), path);
            return path;
        } catch (IOException e) {
            throw ExceptionUtil.wrapRuntime(e);
        }
    }

    @Override
    public MediaType contentType() {
        return body.contentType();
    }

    @Override
    public long contentLength() {
        return body.contentLength();
    }

    @Override
    public String toString() {
        return response.toString();
    }

    private static ResponseBody ifNullBodyToEmpty(@Nullable ResponseBody body) {
        return body == null ? Util.EMPTY_RESPONSE : body;
    }

    @Override
    public void close() throws IOException {
        Util.closeQuietly(this.body);
    }
}
